我有两个java类Configuration.java和login.java
配置.java
public class Configuration {
public Configuration() {}
public String getparams() throws IOException {
Properties properties = new Properties();
FileInputStream fileStream = new FileInputStream("C:/.../Desktop/configuration.txt");
try {
properties.load(fileStream);
String ip = (String) properties.get("IP");
String port = (String) properties.get("Port");
return ip + port;
} finally {
try {
fileStream.close();
} catch (IOException ex) {
Logger.getLogger(this.getClass().getName()).log(Level.SEVERE, null, ex);
}
}
}
}
登录.java
...
Configuration cfg=new Configuration();
String ip=cfg.getparams();// error
String port=cfg.getparams();//error
private final String LOGIN_URL = "http://"+ ip +":"+port+"/webservice/login.php";
谁能帮我解决这个错误
public class Login extends Activity implements OnClickListener {
Configuration cfg;
String ip;
String port;
private String LOGIN_URL;
//other variables
protected void onCreate(Bundle savedInstanceState) {
//here you initialize your variables
try {
cfg = new Configuration();
String[] params = cfg.getparams();
ip = params[0];
port = params[1];
LOGIN_URL = "http://"+ ip +":"+port+"/webservice/login.php";
} catch (IOException e) {
//handle the exception
}
//.. your other code ...
}
//... your other methods ...
}
还可以像这样更改您的配置文件：
public class Configuration {
public Configuration() {}
public String[] getparams() throws IOException {
Properties properties = new Properties();
FileInputStream fileStream = new FileInputStream("C:/.../Desktop/configuration.txt");
try {
properties.load(fileStream);
String ip = (String) properties.get("IP");
String port = (String) properties.get("Port");
return new String[]{ip, port};
} finally {
try {
fileStream.close();
} catch (IOException ex) {
Logger.getLogger(this.getClass().getName()).log(Level.SEVERE, null, ex);
}
}
}
}
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